Eureka Manipulatives are great for teaching early childhood learning and a great tool in helping students recognize connections within each educational topic. Each pack includes 160 plastic color-coded word tiles divided into groups of nouns, verbs, adjectives and miscellaneous parts of speech in a plastic storage tub. Teaches sentence building and parts of speech. Plastic tub measures 3.75" x 5.5" x 3.75". Not for children under 3 years of age.